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看这里:
- Params
- Numeric EffRatioLength(10);
- Vars
- Numeric NetChg(0);
- Numeric TotChg(0);
- Numeric EffRatio(0);
- Begin
- if ( CurrentBar == 0 || Close[ EffRatioLength ] == InvalidNumeric)
- {
- EffRatio = InvalidNumeric;
- }Else
- {
- NetChg = Abs( Close - Close[ EffRatioLength ] ) ;
- TotChg = Summation( Abs( Close - Close[1] ), EffRatioLength );
- EffRatio = IIF(TotChg > 0, NetChg / TotChg , 0);
- }
- PlotNumeric("EF",EffRatio);
- End
复制代码 |
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